Spectrochemical Rubidium-Strontium Method for Geological Age Determination

6533b7d8fe1ef96bd12697b6

RESEARCH PRODUCT

Spectrochemical Rubidium-Strontium Method for Geological Age Determination

subject

Strontium Microcline 010401 analytical chemistry Analytical chemistry chemistry.chemical_element Mineralogy engineering.material 01 natural sciences Isotopic composition 0104 chemical sciences Rubidium 010309 optics chemistry Age values 0103 physical sciences engineering Instrumentation Spectroscopy Fabry–Pérot interferometer

description

The age values of lepidolites from South Africa and from Varutrask as well as that of a microcline from Varutrask have been determined and are discussed in connection with determination according to the potassium-argon method, applied to the same materials A method is suggested which allows the spectrochemical determination of Rb and Sr with sufficient accuracy. The isotopic composition is determined by means of a Fabry-Perot etalon and hollow-cathode excitation, investigating the hyper-fine structure of the Sr line at 4078 A.

year	journal	country	edition	language
1960-06-01	Applied Spectroscopy

https://doi.org/10.1366/000370260774614454

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